On the steady-state continuous casting Stefan problem with nonlinear cooling

Author:

Chipot Michel,Rodrigues José-Francisco

Abstract

A steady-state one-phase Stefan problem corresponding to the solidification process of an ingot of pure metal by continuous casting with nonlinear lateral cooling is considered via the weak formulation introduced in [5] for the dam problem. Two existence results are obtained, for a general nonlinear flux and for a maximal monotone flux. Comparison results and the regularity of the free boundary are discussed. An uniqueness theorem is given for the monotone case.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics

Reference16 articles.

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5. H. Brézis, D. Kinderlehrer and G. Stampacchia, Sur une nouvelle formulation du problème de l’écoulement à travers une digne, C.R. Acad. Sc. Paris 287-A, 711–714 (1978)

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2. Variational methods in the stefan problem;Phase Transitions and Hysteresis;1994

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